Kotoko came up with three solutions, but they all got shot down. Kuro keeps trying to grasp the future where they can defeat Steel Lady Nanase, but Rikka made it disappear once again. But Kotoko wasn’t done yet. Steel Lady Nanase is not a ghost. What is Kotoko’s 4th solution that may finally put an end to Steel Lady Nanase’s existence once and for all?
But if Nanase Karin was alive, 
there'd be no Steel Lady Nanase.
.لكن إن كانت ناناسي كارين حيّة، فلن تكون هناك سيدة الفولاذ ناناسي
Würde Nanase Karin noch leben,
gäb es auch keine stählerne Dame Nanase.
Pero si Karin Nanase estuviera viva,
no habría Dama de Acero.
Si Karin Nanase estuviera viva,
no habría Dama de Acero.
Si Karin est en vie,
la fille d’acier n’existe pas ?
Se Karin Nanase fosse viva non ci sarebbe
nessuna Nanase d'Acciaio, lo sai, sì?
Mas se Karin Nanase estiver viva, não
haveria nenhuma Mulher de Aço Nanase.
Если б Карин Нанасэ была жива,
то Стальной девы бы не было…